CN202176436U - Low-noise electric fuel pump assembly - Google Patents
Low-noise electric fuel pump assembly Download PDFInfo
- Publication number
- CN202176436U CN202176436U CN2011202944885U CN201120294488U CN202176436U CN 202176436 U CN202176436 U CN 202176436U CN 2011202944885 U CN2011202944885 U CN 2011202944885U CN 201120294488 U CN201120294488 U CN 201120294488U CN 202176436 U CN202176436 U CN 202176436U
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- China
- Prior art keywords
- oil pump
- pressure valve
- oil
- seat
- electric fuel
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
A low-noise electric fuel pump assembly comprises a flange plate, an oil pump support, a bottom barrel, a pressure valve seat, a pressure valve, an oil pump seat, a plurality of connecting pieces, a pump core and a filter screen. An oil inlet pipe and an oil outlet pipe are arranged on the flange plate, the oil pump support is respectively connected with the flange plate and the bottom barrel, the pressure valve seat is connected with the oil pump support and arranged in the bottom barrel, and the pressure valve is connected into the pressure valve seat in sleeved mode and connected with the oil outlet pipe. The oil pump seat is arranged in the bottom barrel, the connecting pieces are respectively connected with the oil pump seat and the oil pump support, the pump core is connected into the oil pump seat in sleeved mode and connected with the oil inlet pipe, and the filter screen is arranged inside the bottom barrel and connected to the bottom of the pump core. The low-noise electric fuel pump assembly has the advantages of low noise and long service life.
Description
Technical field
The utility model relates to a kind of electric fuel pump assembly, relates in particular to the low-noise electric fuel oil pump assembly of the low and long service life of a kind of noise.
Background technique
Electric fuel pump assembly is installed on the automotive oil tank, in the vehicle fuel supply system, has played the function of supplying with vehicle fuel.During electric fuel pump assembly work, fuel oil gets in the end bucket under the running of pump core drives, and the filtration entering pump core filler opening through filter screen arrives the vehicle fuel system by pump core oil outlet through oil outlet tube again.After the motor car engine utilization; The part fuel oil arrives the pressure valve of electric fuel pump assembly; Guarantee that by pressure valve the vehicle fuel system is in the high pressure conditions of work all the time; When oil-fired system pressure reached pressure valve pressure release state, fuel oil released from the pressure valve oil outlet, supplied the pump core to use in the bucket on earth through the lead-jetting device injection on the return tube.
The pressure valve of existing electric fuel pump assembly is integrated on the flange plate, and the noise that the pressure valve injection produces can not pass through any obstruct and be directly delivered to the external world, causes the noise of fuel oil pump assembly very big.In addition, what the pump core of existing electric fuel pump assembly and oil pump bracket adopted is to weld hardwired mode in this, can not play the effect of damping.Therefore, the vibration of pump core can be directly delivered on the fuel tank, has further increased the noise of electric fuel pump assembly.And the vibration of fuel tank also directly affacts on the pump core, has a strong impact on the performance of pump core, causes reduce the working life of electric fuel pump assembly.
In sum, there is the technical problem that noise is big and working life is short in existing electric fuel pump assembly.
The model utility content
The purpose of the utility model is to provide a kind of low-noise electric fuel oil pump assembly, the technical problem big with the noise that solves electric fuel pump assembly in the existing technology, that working life is short.
For achieving the above object, the utility model provides a kind of low-noise electric fuel oil pump assembly, comprising: flange plate, oil pump bracket, end bucket, pressure valve seat, pressure valve, oil pump seat, some connecting sheets, pump core and filter screen; Flange plate is provided with oil inlet pipe and oil outlet tube; Oil pump bracket is connected with end bucket with flange plate respectively, and the pressure valve seat is connected with oil pump bracket and is arranged in the end bucket, and the pressure valve cover is connected to pressure valve seat inside and is connected with oil outlet tube; The oil pump seat is arranged in the end bucket; Connecting sheet is connected with oil pump bracket with the oil pump seat respectively, and the pump core retainer plate is connected to oil pump seat inside and is connected with oil inlet pipe, and filter screen is arranged in the end bucket and is connected to pump core bottom.
According to the described low-noise electric fuel oil pump assembly of the utility model preferred embodiment, its pressure valve seat is provided with buckle, correspondingly is provided with draw-in groove on the oil pump bracket, and the pressure valve seat is connected with the draw-in groove snapping through buckle with oil pump bracket.
According to the described low-noise electric fuel oil pump assembly of the utility model preferred embodiment, its oil pump seat, some connecting sheets and oil pump bracket is one-body molded processes.
According to the described low-noise electric fuel oil pump assembly of the utility model preferred embodiment, above-mentioned connecting sheet adopts the POM material to process.
The low-noise electric fuel oil pump assembly of the utility model improves existing serial electric fuel pump assembly structure, and the sound generation source pressure valve is displaced downwardly in the end bucket, is in the parcel of fuel oil when making pressure valve work always.Through the dual obstruct of fuel oil and air, make noise only in the fuel tank internal transmission, and can not pass to outside the fuel tank, thereby greatly reduce the noise of fuel oil pump assembly.In addition, this electric fuel pump assembly places the pump core in the oil pump seat, and the oil pump seat is integrated on the oil pump bracket through the chip linkage structure again; Connecting sheet adopts the good POM material of pliability; Have the absorbing effect, make and realize between pump core and the oil pump bracket being flexible coupling the vibration that produces when effectively the absorption pump core turns round; Reduce the possibility that produces resonance with fuel tank, further reduced the noise of fuel oil pump assembly.Simultaneously, the vibration of fuel tank is also sponged by connecting sheet, has eliminated the influence that the pump core is caused because of the fuel tank vibration, the working life of having improved fuel pump.Therefore, compared with prior art, the electric fuel pump assembly of the utility model has that noise is low, the advantage of long service life.
Description of drawings
Fig. 1 is the structural representation of the utility model electric fuel pump assembly;
Fig. 2 is the utility model embodiment's the pressure valve seat and the schematic representation that is connected of pressure valve;
Fig. 3 is the plan view of the utility model embodiment's oil pump bracket;
Fig. 4 is the sectional view of the utility model embodiment's oil pump bracket.
Embodiment
Below in conjunction with accompanying drawing, specify the utility model.
See also Fig. 1 to Fig. 4; A kind of low-noise electric fuel oil pump assembly; Comprise: flange plate 10, oil pump bracket 20, end bucket 30, pressure valve seat 40, pressure valve 50, oil pump seat 60, six connecting sheets 70, pump core 80 and filter screens 90, flange plate 10 is provided with oil inlet pipe 101 and oil outlet tube 102.Oil pump bracket 20 is connected with end bucket 30 with flange plate 10 respectively.Pressure valve seat 40 is connected with oil pump bracket 20 and is arranged in the end bucket 30.Pressure valve 50 covers are connected to pressure valve seat 40 inside and are connected with oil outlet tube 102.Oil pump seat 60 is arranged in the end bucket 30, and connecting sheet 70 adopts the POM materials to process, and it is connected with oil pump bracket 20 with oil pump seat 60 respectively, and six connecting sheets 70 per two be one group, spaced set between respectively organizing.Pump core 80 covers are connected to oil pump seat 60 inside and are connected with oil inlet pipe 101, and filter screen 90 is arranged in the end bucket 30 and is connected to pump core 80 bottoms.
Preferable, in the present embodiment, pressure valve seat 40 is connected with oil pump bracket 20 snappings, and as shown in Figure 2, pressure valve seat 40 is provided with buckle 401, and is correspondingly as shown in Figure 3, and oil pump bracket 20 is provided with draw-in groove 201, and buckle 401 is connected with draw-in groove 201 snappings.In addition, in the present embodiment, oil pump seat 60, connecting sheet 70 and oil pump bracket 20 one-body molded processing.But; Need to prove; The utility model does not limit between pressure valve seat 40 and the oil pump bracket 20 and the concrete Placement between oil pump seat 60, connecting sheet 70 and the oil pump bracket 20; More than adopt pressure valve seat 40 to be connected and oil pump seat 60, connecting sheet 70 and oil pump bracket 20 one-body molded just embodiments, and be not used in qualification the utility model with oil pump bracket 20 snappings.
The low-noise electric fuel oil pump assembly of the utility model improves existing serial electric fuel pump assembly structure, takes the measure of noise reduction and absorbing to reduce noise.At first, this electric fuel pump assembly is adjusted on the position of pressure valve.Pressure valve is installed in the pressure valve seat; Then the pressure valve seat is installed on the oil pump bracket through the buckle pattern, like this, the noise that pressure valve produces when work; When its sound wave transmitted between fuel oil and air, the velocity of wave of sound wave and wavelength had lost great energy when changing; After the refraction of sound wave through fuel oil and air simultaneously, its energy also has certain decline.Along with the reduction of acoustic wave energy, the distance of the noise transmission that pressure valve produces also reduces, and makes that noise can only be in the fuel tank internal transmission, and can not pass to outside the fuel tank, effectively reduces the noise of fuel oil pump assembly.In addition; This electric fuel pump assembly has been made 6 connecting sheets on oil pump bracket; Those connecting sheets are firm being fixed on the oil pump bracket of the oil pump seat in the oil pump bracket, make the pump core pack into and accomplish with being connected through the chip linkage structure of those connecting sheets of oil pump bracket behind the oil pump seat.Connecting sheet adopts the good POM material of pliability; Have the absorbing effect, make and realize between pump core and the oil pump bracket being flexible coupling the vibration that produces when effectively the absorption pump core turns round; Reduce the possibility that produces resonance with fuel tank, further reduced the noise of fuel oil pump assembly.Simultaneously, the vibration of fuel tank is also sponged by connecting sheet, has eliminated the influence that the pump core is caused because of the fuel tank vibration, the working life of having improved fuel pump.
More than the disclosed several specific embodiments that are merely the utility model, but the utility model is not limited thereto, any those skilled in the art can think variation, all should drop in the protection domain of the utility model.
Claims (4)
1. low-noise electric fuel oil pump assembly; It is characterized in that; Comprise: flange plate, oil pump bracket, end bucket, pressure valve seat, pressure valve, oil pump seat, some connecting sheets, pump core and filter screen, said flange plate is provided with oil inlet pipe and oil outlet tube, and said oil pump bracket is connected with end bucket with said flange plate respectively; Said pressure valve seat is connected with said oil pump bracket and is arranged in the bucket of the said end; Said pressure valve cover is connected to said pressure valve seat inside and is connected with oil outlet tube, and said oil pump seat is arranged in the bucket of the said end, and said connecting sheet is connected with oil pump bracket with said oil pump seat respectively; Said pump core retainer plate is connected to said oil pump seat inside and is connected with said oil inlet pipe, and said filter screen is arranged in the bucket of the said end and is connected to said pump core bottom.
2. low-noise electric fuel oil pump assembly as claimed in claim 1; It is characterized in that; Said pressure valve seat is provided with buckle, correspondingly is provided with draw-in groove on the said oil pump bracket, and said pressure valve seat is connected with the draw-in groove snapping through said buckle with said oil pump bracket.
3. low-noise electric fuel oil pump assembly as claimed in claim 1 is characterized in that, said oil pump seat, some connecting sheets and said oil pump bracket is one-body molded processes.
4. like claim 1 or 3 described low-noise electric fuel oil pump assemblies, it is characterized in that said connecting sheet adopts the POM material to process.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202944885U CN202176436U (en) | 2011-08-15 | 2011-08-15 | Low-noise electric fuel pump assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202944885U CN202176436U (en) | 2011-08-15 | 2011-08-15 | Low-noise electric fuel pump assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202176436U true CN202176436U (en) | 2012-03-28 |
Family
ID=45866320
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202944885U Expired - Fee Related CN202176436U (en) | 2011-08-15 | 2011-08-15 | Low-noise electric fuel pump assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202176436U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103573609A (en) * | 2013-10-24 | 2014-02-12 | 安徽工贸职业技术学院 | Low-noise fuel pump |
| CN105065253A (en) * | 2015-09-01 | 2015-11-18 | 上海盈智汽车零部件有限公司 | Pressure regulating valve mounting structure applied to fuel oil pump assembly |
-
2011
- 2011-08-15 CN CN2011202944885U patent/CN202176436U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103573609A (en) * | 2013-10-24 | 2014-02-12 | 安徽工贸职业技术学院 | Low-noise fuel pump |
| CN105065253A (en) * | 2015-09-01 | 2015-11-18 | 上海盈智汽车零部件有限公司 | Pressure regulating valve mounting structure applied to fuel oil pump assembly |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120328 Termination date: 20160815 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |